*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    font-size: 12px;
}
.tab{
    padding-top:5px;
    position: relative;
    height: 380px;
    overflow: hidden;
    width: 290px;
    margin: auto;
}
.tab .nav li{
    float: left;
    display: inline-block;
    line-height: 20px;
    width: 32px;
    text-align: center;
    margin: 0 11px;
    position: relative;
    cursor: pointer;
}
.tab .nav .active{
    color: #F40;
}
.tab .nav .active::after{
    content: "";
    border-bottom: 2px solid #F40;
    position: absolute;
    width: 100%;
    left: 0;
    bottom: -2px;
}
.tab .nav li:hover{
    color: #F40;
    text-decoration: none;
}
.main ul{
    display: block;
}
.main ul li a{
    text-decoration: none;
}
.main .mod{
    margin: 0 12px;
    height: 60px;
    padding-top: 32px;
    padding-bottom: 6px;
}
.main .mod li{
    float: left;
    display: inline-block;
    line-height: 25px;
    height: 25px;
    width: 130px;
    overflow: hidden;
}
.main .mod .da{
    width:244px;
}
.main .mod .teshu a{
    color: #FF4400;
}
.main li a{
    color: #3C3C3C;
}
.main li a:hover{
    color: #FF4400;
}
.tab .main > div{
    display: none;
}
.tab .main > .active{
    display: block;
}